Lab12-3_PT12.5.4 - Use Telnet and SSH - ILM

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May 14, 2024

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Lab 12 Packet Tracer - Use Telnet and SSH Name: Kevin Chen Make sure you get the starting config from netacad 12.5.4 this will have the starting devices set up for you. Addressing Table Device Interface IP Address Subnet Mask HQ G0/0/1 64.100.1.1 255.255.255.0 PC0 NIC DHCP PC1 NIC DHCP Objectives In this activity, you will establish a remote connection to a router using Telnet and SSH. Verify connectivity Access a remote device Instructions Part 1: Verify Connectivity In this part, you will verify that the PC has IP addressing and can ping the remote router. Step 1: Verify IP address on a PC. a. From a PC, clSick Desktop . Click Command Prompt . b. At the prompt, verify that the PC has an IP address from DHCP. Question: What command did you use to verify the IP address from DHCP? By using the command (ipconfig) you are able to identify whether or not the PC has been assigned a IP address from the DCHP. Include a screen shot 2020 - 2023 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 1 of 3 www.netacad.com
Lab 12 Packet Tracer - Use Telnet and SSH Type your answers here. Step 2: Verify connectivity to HQ. Verify that you can ping the router HQ usSSing the IP address listed in the Addressing Table. Include a screen shot Part 2: Access a Remote Device In this part, you will attempt to establish a remote connection using Telnet and SSH. Step 1: Telnet to HQ. At the prompt, enter the command telnet 64.100.1.1 . Question: Were you successful? What was the output? Using the telnet command, I was able to connect to the HQ IP address, but then it was forced closed by another entity. The result which I received was: Trying 64.100.1.1 . . . Open !Connection to 64.100.1.1 closed by foreign host! Include a screen shot 2020 - 2023 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 2 of 3 www.netacad.com
Lab 12 Packet Tracer - Use Telnet and SSH Type your answers here. Step 2: SSH to HQ. The router is properly configured to not allow insecure Telnet access. You must use SSH. At the prompt, enter the command ssh -l admin 64.100.1.1 . Enter the password class when prompted. C:\> ssh -l admin 64.100.1.1 Password: Question: What is prompt after accessing the router successfully via SSH? The prompt which was given when accessing the router properly was (HQ#) Include a screen shot Conclusion: In this lesson I was able test and verify connections of PC’s that were given assigned addresses from the DCHP server, also I was testing to access a router through two commands one was denied due to the level of access and security I had using the telnet command that led to a disconnection. When using the SSH command I was prompted to have a password, which when properly accessed I was given a higher level privilege in order to access the router and use commands properly. 2020 - 2023 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 3 of 3 www.netacad.com
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